/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.camunda.bpm.engine.rest.impl.history;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.core.UriInfo;
import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.history.HistoricVariableInstance;
import org.camunda.bpm.engine.history.HistoricVariableInstanceQuery;
import org.camunda.bpm.engine.rest.dto.CountResultDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricVariableInstanceDto;
import org.camunda.bpm.engine.rest.dto.history.HistoricVariableInstanceQueryDto;
import org.camunda.bpm.engine.rest.history.HistoricVariableInstanceRestService;
import org.camunda.bpm.engine.rest.sub.history.HistoricVariableInstanceResource;
import org.camunda.bpm.engine.rest.sub.history.impl.HistoricVariableInstanceResourceImpl;
import org.codehaus.jackson.map.ObjectMapper;
public class HistoricVariableInstanceRestServiceImpl implements HistoricVariableInstanceRestService {
protected ObjectMapper objectMapper;
protected ProcessEngine processEngine;
public HistoricVariableInstanceRestServiceImpl(ObjectMapper objectMapper,ProcessEngine processEngine) {
this.objectMapper = objectMapper;
this.processEngine = processEngine;
}
public HistoricVariableInstanceResource variableInstanceResource(String variableId) {
return new HistoricVariableInstanceResourceImpl(variableId, processEngine);
}
@Override
public List<HistoricVariableInstanceDto> getHistoricVariableInstances(UriInfo uriInfo, Integer firstResult,
Integer maxResults, boolean deserializeObjectValues) {
HistoricVariableInstanceQueryDto queryDto = new HistoricVariableInstanceQueryDto(objectMapper, uriInfo.getQueryParameters());
return queryHistoricVariableInstances(queryDto, firstResult, maxResults, deserializeObjectValues);
}
@Override
public List<HistoricVariableInstanceDto> queryHistoricVariableInstances(HistoricVariableInstanceQueryDto queryDto,
Integer firstResult, Integer maxResults, boolean deserializeObjectValues) {
queryDto.setObjectMapper(objectMapper);
HistoricVariableInstanceQuery query = queryDto.toQuery(processEngine);
query.disableBinaryFetching();
if (!deserializeObjectValues) {
query.disableCustomObjectDeserialization();
}
List<HistoricVariableInstance> matchingHistoricVariableInstances;
if (firstResult != null || maxResults != null) {
matchingHistoricVariableInstances = executePaginatedQuery(query, firstResult, maxResults);
} else {
matchingHistoricVariableInstances = query.list();
}
List<HistoricVariableInstanceDto> historicVariableInstanceDtoResults = new ArrayList<HistoricVariableInstanceDto>();
for (HistoricVariableInstance historicVariableInstance : matchingHistoricVariableInstances) {
HistoricVariableInstanceDto resultHistoricVariableInstance = HistoricVariableInstanceDto.fromHistoricVariableInstance(historicVariableInstance);
historicVariableInstanceDtoResults.add(resultHistoricVariableInstance);
}
return historicVariableInstanceDtoResults;
}
private List<HistoricVariableInstance> executePaginatedQuery(HistoricVariableInstanceQuery query, Integer firstResult, Integer maxResults) {
if (firstResult == null) {
firstResult = 0;
}
if (maxResults == null) {
maxResults = Integer.MAX_VALUE;
}
return query.listPage(firstResult, maxResults);
}
@Override
public CountResultDto getHistoricVariableInstancesCount(UriInfo uriInfo) {
HistoricVariableInstanceQueryDto queryDto = new HistoricVariableInstanceQueryDto(objectMapper, uriInfo.getQueryParameters());
return queryHistoricVariableInstancesCount(queryDto);
}
@Override
public CountResultDto queryHistoricVariableInstancesCount(HistoricVariableInstanceQueryDto queryDto) {
queryDto.setObjectMapper(objectMapper);
HistoricVariableInstanceQuery query = queryDto.toQuery(processEngine);
long count = query.count();
CountResultDto result = new CountResultDto();
result.setCount(count);
return result;
}
}